--- a/Doc/lib/libstring.tex	Tue Mar 04 00:50:24 2003 +0000
+++ b/Doc/lib/libstring.tex	Tue Mar 04 17:44:34 2003 +0000
@@ -259,6 +259,8 @@
 characters are removed.  If given and not \code{None}, \var{chars}
 must be a string; the characters in the string will be stripped from
 the both ends of the string this method is called on.
+\versionchanged[The \var{chars} parameter was added.  The \var{chars} 
+parameter cannot be passed in 2.2 or 2.2.1]{2.2.2}
 \end{funcdesc}
 
 \begin{funcdesc}{swapcase}{s}